pattern-detection
Detect code smells, security vulnerabilities, anomalies, and trends across codebases using regex, AST analysis, and statistical methods.
- Identifies problematic patterns including long functions, duplicate code, magic numbers, empty catch blocks, and TODO/FIXME markers
- Scans for security risks such as SQL injection, hard-coded secrets, dangerous function usage (eval, innerHTML), and credential exposure patterns
- Performs statistical anomaly detection using Z-score and IQR methods to flag outliers in numerical data
- Includes regex-based sensitive data detection for emails, phone numbers, credit cards, and SSNs, plus time-series trend analysis with moving averages and growth rate calculation
- Generates structured reports with severity levels and actionable recommendations; read-only operation with built-in false-positive awareness
Pattern Detection
When to use this skill
- Code review: Proactively detect problematic patterns
- Security review: Scan for vulnerability patterns
- Refactoring: Identify duplicate code
- Monitoring: Alert on anomalies
Instructions
Step 1: Detect code smell patterns
Detect long functions:
# Find functions with 50+ lines
grep -n "function\|def\|func " **/*.{js,ts,py,go} | \
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